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Importance

Abstract

Moviola color picture quality is improved for a record and replay system wherein video sampled at a predetermined multiple of the color subcarrier frequency is recorded with each frame or field being disposed on a set of multiple tracks and with only a portion of the recorded information being intended for replay to reconstruct the color Moviola signal. Only pixel groups relating to entire color subcarrier cycles are recorded on the tracks so that a video signal having proper color information can be readily reconstructed therefrom during the Moviola mode. In one preferred embodiment, sequential color subcarrier cycle pixel groups are recorded on separate tracks with those to be replayed during the Moviola mode on a single track so that Moviola pixel groups on the single track can be repeated in sequence when reconstructing the Moviola picture and thereby supply instantaneously coherent information.

* 5,933,567 Method and apparatus for controlling the position of the heads of a digital video tape recorder during trick play operation and for recording digital data on a tape

16

1994

* 5,778,143 Method and apparatus for the selection of data for use in VTR trick playback operation in a system using progressive picture refresh

33

1994

* 5,717,816 Method and apparatus for the selection of data for use in VTR trick playback operation in a system using intra-coded video frames

40

1994

* 5,887,115 Method and apparatus for implementing a video tape recorder for recording digital video signals having either a fixed or variable data transmission rate

9

1994

* 5,493,456 Method and apparatus for increasing the recording time of a digital video tape recorder

26

1995

* 5,668,918 Method for recording digital data using a series of adjacent heads of alternating azimuths located on a headwheel to record data at a rate that is less than the full recording rate possible using the heads

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